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Worksheets8th Grade STAAR Vocab Science (3)
Total questions: 94
Worksheet time: 2hrs 21mins
Name
Class
Date
1.
groups of similar things based on characteristics or properties
a)
Classifications
b)
Scientific practices
c)
Population
2.
staying the same; unchanging
a)
Constancy
b)
Classifications
c)
Scientific practices
3.
equipment, such as an eye / face wash, a fire blanket, and a fire extinguisher, used to take care of an emergency situation
a)
Emergency safety equipment
b)
Constancy
c)
Classifications
4.
to cause no harm to the environment
a)
Environmentally appropriate practices
b)
Emergency safety equipment
c)
Constancy
5.
doing what is right
a)
Ethical practices
b)
Environmentally appropriate practices
c)
Emergency safety equipment
6.
repeated sequence; arranged according to a rule or natural phenomenon; a trend in data; used to predict what comes next
a)
Patterns
b)
Ethical practices
c)
Environmentally appropriate practices
7.
equipment, such as goggles and gloves, used for protection in an investigation
a)
Personal protective equipment (PPE)
b)
Patterns
c)
Ethical practices
8.
characteristics of objects, organisms, or events
a)
Properties
b)
Personal protective equipment (PPE)
c)
Patterns
9.
use of evidence to construct testable explanations and predictions of natural phenomena, as well as the knowledge generated through this process
a)
Science
b)
Properties
c)
Personal protective equipment (PPE)
10.
a group of parts that work together
a)
System
b)
Science
c)
Properties
11.
smallest particle of an element that maintains the properties of that element
a)
Atom
b)
System
c)
Science
12.
average mass number of all atoms of an element (from particles in the nucleus)
a)
Atomic mass
b)
Atom
c)
System
13.
the number of protons in the nucleus of an atom; used to determine an element's position in the Periodic Table
a)
Atomic number
b)
Atomic mass
c)
Atom
14.
a characteristic of a substance that describes how it combines with other substances to form new ones
a)
Chemical property
b)
Atomic number
c)
Atomic mass
15.
a property of a subatomic particle; positive (protons), negative (electrons), or neutral (neutrons)
a)
Electrical charge
b)
Chemical property
c)
Atomic number
16.
a negatively charged particle in the electron cloud surrounding the atomic nucleus
a)
Electron
b)
Electrical charge
c)
Chemical property
17.
the negatively charged space containing electrons that surrounds the atomic nucleus
a)
Electron cloud
b)
Electron
c)
Electrical charge
18.
a pure substance that cannot be broken down chemically into simpler substances
a)
Element
b)
Electron cloud
c)
Electron
19.
the vertical columns on the Periodic Table
a)
Groups (families)
b)
Element
c)
Electron cloud
20.
total number of protons and neutrons in a specific atom
a)
Mass number
b)
Groups (families)
c)
Element
21.
a (neutral) particle with no electrical charge within the atomic nucleus
a)
Neutron
b)
Mass number
c)
Groups (families)
22.
the positively charged center of an atom containing the protons and neutrons
a)
Nucleus
b)
Neutron
c)
Mass number
23.
a conceptual model in which the elements are organized according to their properties; often displayed as a chart
a)
Periodic Table
b)
Nucleus
c)
Neutron
24.
the horizontal rows on the Periodic Table
a)
Periods
b)
Periodic Table
c)
Nucleus
25.
property of matter that can be observed without changing the composition or identity of the matter
a)
Physical property
b)
Periods
c)
Periodic Table
26.
a positively charged particle within the atomic nucleus; used to identify an element
a)
Proton
b)
Physical property
c)
Periods
27.
tendency of a substance to undergo chemical changes in a system
a)
Reactivity
b)
Proton
c)
Physical property
28.
a particle smaller than an atom, such as a proton, neutron, or electron
a)
Subatomic particle
b)
Reactivity
c)
Proton
29.
electron(s) located in outer energy level (electron shell)
a)
Valence electron(s)
b)
Subatomic particle
c)
Reactivity
30.
the formation of a new substance with different properties; cannot be undone by physical means
a)
Chemical change
b)
Valence electron(s)
c)
Subatomic particle
31.
a representation of a chemical reaction by symbols and numbers
a)
Chemical equation
b)
Chemical change
c)
Valence electron(s)
32.
a representation of a molecule or compound in which the elements are represented by their symbols and subscripts represent the number of atoms of each element
a)
Chemical formula
b)
Chemical equation
c)
Chemical change
33.
a change caused by the interaction of two or more substances (reactants) resulting in the formation of new substances (products)
a)
Chemical reaction
b)
Chemical formula
c)
Chemical equation
34.
the number placed in front of a chemical formula in a chemical equation; represents the number of molecules of that substance
a)
Coefficient
b)
Chemical reaction
c)
Chemical formula
35.
a substance made of two or more elements
a)
Compound
b)
Coefficient
c)
Chemical reaction
36.
matter is not created or destroyed; only rearranged
a)
Law of conservation of mass
b)
Compound
c)
Coefficient
37.
combined atoms of the same element (e.g., O2)
a)
Molecule
b)
Law of conservation of mass
c)
Compound
38.
the formation of solids from a solution
a)
Precipitate
b)
Molecule
c)
Law of conservation of mass
39.
substance(s) resulting from a chemical reaction
a)
Product
b)
Precipitate
c)
Molecule
40.
substances that are combined and changed during a chemical reaction
a)
Reactant
b)
Product
c)
Precipitate
41.
the number written to the right and slightly below an element in a chemical formula; represents the number of atoms of an element present in a chemical formula
a)
Subscript
b)
Reactant
c)
Product
42.
change in an object's motion; caused by unbalanced forces
a)
Acceleration
b)
Subscript
c)
Reactant
43.
equal and opposite forces on an object that result in no change in position, direction, or motion; net force equals zero
a)
Balanced force
b)
Acceleration
c)
Subscript
44.
tendency of an object to resist change in motion
a)
Inertia
b)
Balanced force
c)
Acceleration
45.
for every action, there is an equal and opposite reaction
a)
Law of action-reaction
b)
Inertia
c)
Balanced force
46.
when an object that has a constant mass is acted upon by a force, the object will accelerate in the same direction as the force applied
a)
Law of force and acceleration
b)
Law of action-reaction
c)
Inertia
47.
the tendency of an object to resist change in motion unless acted upon by a force
a)
Law of inertia
b)
Law of force and acceleration
c)
Law of action-reaction
48.
measurement of the total forces exerted on an object
a)
Net force
b)
Law of inertia
c)
Law of force and acceleration
49.
distance traveled by an object in a given amount of time
a)
Speed
b)
Net force
c)
Law of inertia
50.
unequal forces on an object that may result in a change in position, direction or motion; net force does not equal zero
a)
Unbalanced force
b)
Speed
c)
Net force
51.
a measurement of an object's speed and direction
a)
Velocity
b)
Unbalanced force
c)
Speed
52.
a body of air that has about the same temperature and humidity throughout
a)
Air mass
b)
Velocity
c)
Unbalanced force
53.
a measure of the weight of the atmosphere on a given area of the surface of the Earth; barometric pressure
a)
Air pressure
b)
Air mass
c)
Velocity
54.
an instrument used to measure wind speed
a)
Anemometer
b)
Air pressure
c)
Air mass
55.
an envelope of mixed gases are held to the Earth by gravity; the most dense gases are near the surface of the Earth
a)
Atmosphere
b)
Anemometer
c)
Air pressure
56.
when temperature differences cause liquids and gases (fluids) to expand and move; the less dense areas continually rise, and the more dense areas continually sink creating a cyclical current
a)
Convection current
b)
Atmosphere
c)
Anemometer
57.
the effect of the Earth's rotation on the path of air and water; causes the path to curve
a)
Coriolis effect
b)
Convection current
c)
Atmosphere
58.
amount of water vapor present in the air; relative humidity
a)
Humidity
b)
Coriolis effect
c)
Convection current
59.
narrow band of high speed wind high in the atmosphere; moves west to east in the Northern Hemisphere
a)
Jet stream
b)
Humidity
c)
Coriolis effect
60.
global wind located at mid-latitude; mostly blows in one direction
a)
Prevailing winds
b)
Jet stream
c)
Humidity
61.
instrument used to measure humidity (moisture) in the air
a)
Psychrometers
b)
Prevailing winds
c)
Jet stream
62.
an area where two air masses with different temperatures and pressures meet
a)
Weather front
b)
Psychrometers
c)
Prevailing winds
63.
Alfred Wegner's explanation of continents slowly moving and changing their positions relative to one another
a)
Continental drift theory
b)
Weather front
c)
Psychrometers
64.
difference in elevation between any two contour lines on a topographic map
a)
Contour intervals
b)
Continental drift theory
c)
Weather front
65.
map symbol showing shape and / or change in elevation on a topographic map
a)
Contour lines
b)
Contour intervals
c)
Continental drift theory
66.
the outer most layer of the Earth (lithosphere) is divided into contiguous sections (plates) that move relative to each other causing continental drift, seafloor spreading, and the formation of major physical features of the Earth's surface
a)
Plate tectonic theory
b)
Contour lines
c)
Contour intervals
67.
map showing the shape and elevation of the land surface using contour lines
a)
Topographic maps
b)
Plate tectonic theory
c)
Contour lines
68.
the shape of the Earth's surface and the way its physical features are arranged, especially in terms of their positions and elevations
a)
Topography
b)
Topographic maps
c)
Plate tectonic theory
69.
imaginary line about which an object rotates
a)
Axis
b)
Topography
c)
Topographic maps
70.
force of attraction between all masses in the universe, especially the attraction of the Earth's mass for bodies near its surface
a)
Gravitational attraction
b)
Axis
c)
Topography
71.
occurs at the first and third (last) quarter Moon phases; the Sun is at a right angle to the Moon
a)
Neap tide
b)
Gravitational attraction
c)
Axis
72.
an imaginary line in which a three-dimensional object rotates around; the Earth spins on its axis
a)
Rotational axis
b)
Neap tide
c)
Gravitational attraction
73.
occurs at the full and new Moon phases; Earth, Moon, and Sun are in alignment pulling the water in the same direction
a)
Spring tide
b)
Rotational axis
c)
Neap tide
74.
the rising and falling of the oceans due to the gravitational attraction of the Moon and Sun; usually occurs twice each day
a)
Tide
b)
Spring tide
c)
Rotational axis
75.
a measure of how bright a star really is, if all stars were the same distance from Earth
a)
Absolute magnitude
b)
Tide
c)
Spring tide
76.
a measure of how bright a star appears as seen from Earth
a)
Apparent magnitude
b)
Absolute magnitude
c)
Tide
77.
a scientific theory concerning the early development and shape of the universe from a dense state which began and is still expanding
a)
Big Bang theory
b)
Apparent magnitude
c)
Absolute magnitude
78.
a classification of all forms of radiation by wavelength and frequency; used to study components of the universe
a)
Electromagnetic spectrum
b)
Big Bang theory
c)
Apparent magnitude
79.
the number of times a wave passes a certain point in a given amount of time
a)
Frequency
b)
Electromagnetic spectrum
c)
Big Bang theory
80.
a system of stars and associated matter, held together by gravitational attraction
a)
Galaxy
b)
Frequency
c)
Electromagnetic spectrum
81.
a diagram that shows the relationship between the brightness, surface temperature, and color of stars
a)
Hertzsprung-Russell diagram
b)
Galaxy
c)
Frequency
82.
total amount of light (energy) emitted by a star or other celestial body
a)
Luminosity
b)
Hertzsprung-Russell diagram
c)
Galaxy
83.
the measure of the observed visible brightness of a star
a)
Magnitude
b)
Luminosity
c)
Hertzsprung-Russell diagram
84.
clouds of dust and gas; site of star formation; remains of dead or dying stars
a)
Nebulae
b)
Magnitude
c)
Luminosity
85.
different colors of light emitted based on the chemical composition of the light source
a)
Spectra
b)
Nebulae
c)
Magnitude
86.
a tool for observing spectral lines
a)
Spectroscope
b)
Spectra
c)
Nebulae
87.
luminous globe of gas which produces its own heat and light by nuclear reaction
a)
Star
b)
Spectroscope
c)
Spectra
88.
all of space and its contents
a)
Universe
b)
Star
c)
Spectroscope
89.
distance from any one point on a wave to a corresponding point on the next wave; crest to crest or trough to trough
a)
Wavelength
b)
Universe
c)
Star
90.
nonliving factors in the environment; physical rather than biological; do not come from living organisms
a)
Abiotic
b)
Wavelength
c)
Universe
91.
living factors in the environment; relating to, produced by, or caused by living organisms
a)
Biotic
b)
Abiotic
c)
Wavelength
92.
the living and nonliving components of an environment
a)
Ecosystem
b)
Biotic
c)
Abiotic
93.
all of the members of a species living in a particular area at a particular time
a)
Population
b)
Ecosystem
c)
Biotic
94.
the diverse ways in which scientists study the natural world and propose explanations based on the evidence derived from their work
a)
Scientific practices
b)
Population
c)
Ecosystem
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